PKI, Digital Certificates & ASN.1 Parsing
Inspect, decode, and convert the certificate formats that underpin TLS — PEM, DER, and raw ASN.1 structures.
PEM ⇄ DER
PEM ⇄ DER Converter
Convert between ASCII-armored PEM and binary DER
ASN.1 · DERASN.1 Parser
Decode DER hex or PEM into a readable ASN.1 tree
X.509 · TLSX.509 Certificate Parser
Decode a PEM certificate into readable fields
CSR · PKCS#10CSR Decoder
Inspect the subject and key inside a PKCS#10 CSR
PKCS#7 · P7BPKCS#7 Inspector
Decode a .p7b certificate bundle structure
IN THE FORGE
PKCS#12 · PFXSOON
PKCS#12 Extractor
.pfx / .p12 key extractor
CHAIN · ROOT CASOON
Chain Validator
Certificate chain and root CA checks